†Chitinozoa Eisenack, 1931 - chitinozoans Order †Operculatifera Eisenack, 1931 Family †Desmochitinidae Eisenack, 1931 Subfamily †Desmochitininae Eisenack, 1931 Genus †Calpichitina Wilson & Hedlund, 1964 Subgenus †Calpichitina (Calpichitina) (Wilson & Hedlund, 1964) Paris, 1981 see Genus Calpichitina Wilson & Hedlund, 1964